X0202 4 2007-05-15 0000813672 CADENCE DESIGN SYSTEMS INC CDNS 0001165737 GAVRIELOV MOSHE 2655 SEELY AVENUE, BLDG. 5 SAN JOSE CA 95134 0 1 0 0 EVP, GM, Verification Division Common Stock 2007-05-15 4 M 0 4753 16.83 A 167575 D Common Stock 2007-05-15 4 M 0 74558 16.83 D 242133 D Common Stock 2007-05-15 4 S 0 34000 21.726 D 208133 D Common Stock 2007-05-15 4 S 0 8000 21.8365 D 200133 D Common Stock 2007-05-15 4 S 0 8000 21.8883 D 192133 D Common Stock 2007-05-15 4 S 0 5000 21.9415 D 187133 D Common Stock 2007-05-15 4 S 0 24311 22.00 D 162822 D Common Stock 2007-05-15 4 M 0 25000 16.525 A 187822 D Common Stock 2007-05-15 4 S 0 3000 21.8092 D 184822 D Common Stock 2007-05-15 4 S 0 12000 21.6937 D 172822 D Common Stock 2007-05-15 4 S 0 10000 21.7136 D 162822 D Common Stock 2007-05-15 4 M 0 75000 13.855 A 237822 D Common Stock 2007-05-15 4 S 0 15000 21.7702 D 222822 D Common Stock 2007-05-15 4 S 0 5000 21.8304 D 217822 D Common Stock 2007-05-15 4 S 0 10000 21.8669 D 207822 D Common Stock 2007-05-15 4 S 0 8500 21.8882 D 199322 D Common Stock 2007-05-15 4 S 0 6500 21.838 D 192822 D Common Stock 2007-05-15 4 S 0 10000 21.8058 D 182822 D Common Stock 2007-05-15 4 S 0 10000 21.846 D 172822 D Common Stock 2007-05-15 4 S 0 10000 21.8518 D 162822 D Incentive Stock Option (Right to buy) 16.83 2007-05-15 4 M 0 4753 0 D 2013-05-29 Common Stock 4753 1189 D Non-Qualified Stock Option (Right to buy) 16.83 2007-05-15 4 M 0 74558 0 D 2013-05-29 Common Stock 74558 499 D Non-Qualified Stock Option (right to buy) 13.855 2007-05-15 4 M 0 75000 0 D 2015-04-15 Common Stock 75000 150000 D Non-Qualified Stock Option (Right to buy) 16.525 2007-05-15 4 M 0 25000 0 D 2016-02-08 Common Stock 25000 75000 D The transaction reported in this Form 4 was effected pursuant to a Rule 10b5-1 Trading Plan adopted by the reporting person on May 8, 2006 and amended on February 27, 2007. Option was granted on May 29, 2003 and is vesting at a rate of 1/48th per month. Option was granted on April 15, 2005 and is vesting at a rate of 1/48th per month. Option was granted on February 8, 2006 and is vesting at a rate of 1/48th per month. R.L. Smith McKeithen, Attorney-in-Fact for Moshe Gavrielov 2007-05-15